Taxes in La Grande, OregonList of Companies in Taxes category in the city of La Grande, Oregon.Share this page: Eastern Oregon Tax La Grande, Taxes; 1603 N Cherry St, La Grande, OR, 97850-3570; (541) 975-1850Taxman La Grande, Taxes; 2106 Cove Ave, La Grande, OR, 97850-3903; (541) 963-49691